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<title>Find Geometry Theorems In GeoData</title>
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  <p><h2 class="STYLE2">Welcome to GeoData</h2></p>
  <p>GeoData helps you to retrieve geometry theorems. 
  Just input keywords, then you will get a list of theorems that mathch them. Each theorem is presented both in English and Chinese with a figure.</p>
	  <p>For example, you can input 'butterfly' to find the butterfly theorem or input 'circle line' and 'midpoint' to limit the range.</p>
	  <p>For more complicated search, please click the<strong> Advance Search</strong>. You can also click <strong>Example</strong> to browse all the collected theorems. </p>
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